Home / 680,377.70-1,020,525.54-301,187.44

Finding the Fourth Proportional to 680,377.70, 1,020,525.54 and 301,187.44

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Solution

The fourth proportional to 680,377.70, 1,020,525.54 and 301,187.44 is: 451,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,377.70 : 1,020,525.54 = 301,187.44 : x
  2. Step 2: Convert to fraction form
    680,377.70/1,020,525.54 = 301,187.44/x
  3. Step 3: Cross multiply
    680,377.70x = 1,020,525.54 × 301,187.44
  4. Step 4: Simplify right side
    680,377.70x = 307,369,474,847.22
  5. Step 5: Solve for x
    x = 307,369,474,847.22/680,377.70
  6. Step 6: Final answer
    x = 451,763.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.